At the first ever Open Video Conference, held at New York University in Manhattan, participants pondered the significance of the "open media" movement, at a time when its tools are being put to use by protesters in Iran. ThoughtCast spoke with the new media guru Jonathan Zittrain, who's a professor at both Harvard and Oxford, Xeni Jardin, of Boing Boing fame and Peter Kaufman of Intelligent Television, among several others, about the potential of this movement to effect social change. Less